ESRI:102023 — Africa Equidistant Conic

Name: ESRI:102023 - Africa Equidistant Conic
Creator: Esri
License: https://www.apache.org/licenses/LICENSE-2.0

Projected · Africa

Export Formats

OGC WKT

PROJCS[
    "Africa_Equidistant_Conic",
    GEOGCS[
        "GCS_WGS_1984",
        DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]
    ],
    PROJECTION["Equidistant_Conic"],
    PARAMETER["False_Easting",0.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",25.0],
    PARAMETER["Standard_Parallel_1",20.0],
    PARAMETER["Standard_Parallel_2",-23.0],
    PARAMETER["Latitude_Of_Origin",0.0],
    UNIT["Meter",1.0]
]

WKT2

PROJCRS[
    "Africa_Equidistant_Conic",
    BASEGEOGCRS[
        "GCS_WGS_1984",
        DYNAMIC[FRAMEEPOCH[1990.5],MODEL["AM0-2"]],
        DATUM["D_WGS_1984",ELLIPSOID["WGS_1984",6378137.0,298.257223563]],
        PRIMEM["Greenwich",0.0],
        CS[ellipsoidal,2],
        AXIS["Latitude (lat)",north,ORDER[1]],
        AXIS["Longitude (lon)",east,ORDER[2]],
        ANGLEUNIT["Degree",0.0174532925199433]
    ],
    CONVERSION[
        "Equidistant_Conic",
        METHOD["Equidistant_Conic"],
        PARAMETER["False_Easting",0.0],
        PARAMETER["False_Northing",0.0],
        PARAMETER["Central_Meridian",25.0],
        PARAMETER["Standard_Parallel_1",20.0],
        PARAMETER["Standard_Parallel_2",-23.0],
        PARAMETER["Latitude_Of_Origin",0.0]
    ],
    CS[Cartesian,2],
    AXIS["Easting (X)",east,ORDER[1]],
    AXIS["Northing (Y)",north,ORDER[2]],
    LENGTHUNIT["Meter",1.0],
    ID["Esri","102023"]
]

PROJ.4

+proj=eqdc +datum=WGS84 +x_0=0.0 +y_0=0.0 +lon_0=25dE +lat_0=0dN +lat_1=20dN +lat_2=23dS +no_defs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("ESRI:102023", "+proj=eqdc +datum=WGS84 +x_0=0.0 +y_0=0.0 +lon_0=25dE +lat_0=0dN +lat_1=20dN +lat_2=23dS +no_defs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 102023,
  "name": "Africa Equidistant Conic",
  "kind": "projected",
  "area": "Africa",
  "unit": null,
  "bbox": [
    -35,
    -25,
    39,
    55
  ],
  "proj4": "+proj=eqdc +datum=WGS84 +x_0=0.0 +y_0=0.0 +lon_0=25dE +lat_0=0dN +lat_1=20dN +lat_2=23dS +no_defs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102023, 'ESRI', 102023, '+proj=eqdc +datum=WGS84 +x_0=0.0 +y_0=0.0 +lon_0=25dE +lat_0=0dN +lat_1=20dN +lat_2=23dS +no_defs', 'PROJCS["Africa_Equidistant_Conic",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Equidistant_Conic"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",25.0],PARAMETER["Standard_Parallel_1",20.0],PARAMETER["Standard_Parallel_2",-23.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=eqdc"
  "+datum=WGS84"
  "+x_0=0.0"
  "+y_0=0.0"
  "+lon_0=25dE"
  "+lat_0=0dN"
  "+lat_1=20dN"
  "+lat_2=23dS"
  "+no_defs"
END

GeoServer

How to add a projection to GeoServer? →

102023=PROJCS["Africa_Equidistant_Conic",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Equidistant_Conic"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",25.0],PARAMETER["Standard_Parallel_1",20.0],PARAMETER["Standard_Parallel_2",-23.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

Frequently Asked Questions

How do I add ESRI:102023 to GeoServer?

Add the following definition to your GeoServer configuration:

102023=PROJCS["Africa_Equidistant_Conic",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Equidistant_Conic"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",25.0],PARAMETER["Standard_Parallel_1",20.0],PARAMETER["Standard_Parallel_2",-23.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

Read the full GeoServer guide →

How do I add ESRI:102023 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102023, 'ESRI', 102023, '+proj=eqdc +datum=WGS84 +x_0=0.0 +y_0=0.0 +lon_0=25dE +lat_0=0dN +lat_1=20dN +lat_2=23dS +no_defs', 'PROJCS["Africa_Equidistant_Conic",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Equidistant_Conic"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",25.0],PARAMETER["Standard_Parallel_1",20.0],PARAMETER["Standard_Parallel_2",-23.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]');

Read the full PostGIS guide →

How do I add ESRI:102023 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=eqdc"
  "+datum=WGS84"
  "+x_0=0.0"
  "+y_0=0.0"
  "+lon_0=25dE"
  "+lat_0=0dN"
  "+lat_1=20dN"
  "+lat_2=23dS"
  "+no_defs"
END

Read the full MapServer guide →

How do I use ESRI:102023 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("ESRI:102023", "+proj=eqdc +datum=WGS84 +x_0=0.0 +y_0=0.0 +lon_0=25dE +lat_0=0dN +lat_1=20dN +lat_2=23dS +no_defs");

Read the full Proj4js guide →